The present gear-pump vehicle centralized lubrication system is difficult to pump viscous lubricant effectively,and so can t be used in alpine frigid region.

• 目前应用的齿轮泵-容积式车辆集中润滑系统,因其在低温环境下难以有效泵送粘稠油脂,而使其在高寒地区的推广应用大大受限。